APA (7th ed.) Citation

Wajnryb, R. (1995). Classroom observation tasks: A resource book for language (3a. ed.). Cambridge University.

Chicago Style (17th ed.) Citation

Wajnryb, Ruth. Classroom Observation Tasks: A Resource Book for Language. 3a. ed. Cambridge: Cambridge University, 1995.

MLA (9th ed.) Citation

Wajnryb, Ruth. Classroom Observation Tasks: A Resource Book for Language. 3a. ed. Cambridge University, 1995.